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Git update submodules recursively
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drewagdrewag
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1
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Breaking a list into multiple columns in Latex
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edited Feb 10 '13 at 21:31
worldsayshi
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answered Sep 9 ...
bash HISTSIZE vs. HISTFILESIZE?
...session, you start over at 1 with a HISTFILE of HISTFILESIZE=10.
Example 3:
HISTFILESIZE=5 and HISTSIZE=10
You start your session.
Your HISTFILE (file that stores your bash command history), is truncated to contain at most HISTFILESIZE=5 lines.
You write 50 lines.
At the end of your 50 command...
How to “pretty” format JSON output in Ruby on Rails
...ns of JSON. For example:
require 'json'
my_object = { :array => [1, 2, 3, { :sample => "hash"} ], :foo => "bar" }
puts JSON.pretty_generate(my_object)
Which gets you:
{
"array": [
1,
2,
3,
{
"sample": "hash"
}
],
"foo": "bar"
}
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How to find the size of an array in postgresql
...in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, array_length is a safer bet.
– Roshambo
Sep 20 '17 at ...
Return type of '?:' (ternary conditional operator)
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3 Answers
3
Active
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How can I split a shell command over multiple lines when using an IF statement?
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edited Jul 13 at 16:27
answered Sep 3 '13 at 19:22
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Multiple Parameters for jQuery selector?
...#id .class')
– chobo2
Apr 20 '10 at 3:22
That really is backwards from what you would have thought looking at the sour...
Parse JSON in JavaScript? [duplicate]
...gramming for an ancient browser, such as IE 7 (2006), IE 6 (2001), Firefox 3 (2008), Safari 3.x (2009), etc. Alternatively, you may be in an esoteric JavaScript environment that doesn't include the standard APIs. In these cases, use json2.js, the reference implementation of JSON written by Douglas C...